package com.example.demo.controller;


import cn.hutool.captcha.CaptchaUtil;
import cn.hutool.captcha.LineCaptcha;
import cn.hutool.captcha.ShearCaptcha;
//import com.example.demo.Model.CaptchaPriorities;
import com.example.demo.Model.CaptchaProperties;
import jakarta.servlet.http.HttpServletResponse;
import jakarta.servlet.http.HttpSession;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.util.StringUtils;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import javax.xml.crypto.Data;
import java.io.IOException;
import java.net.http.HttpResponse;
import java.util.Date;

@RequestMapping("/captcha")
@RestController
public class CaptchaController {
    @Autowired
    private CaptchaProperties captchaProperties;
    private final static Long VALID_TIME = 30 * 60 * 1000L;



    @RequestMapping("/getCaptcha")
    public void getCaptcha(HttpSession session, HttpServletResponse response) throws IOException {
        response.setContentType("image/jpeg");
        try {
            //生成验证码
            ShearCaptcha captcha = CaptchaUtil.createShearCaptcha(captchaProperties .getWidth(), captchaProperties.getHeight());
            String code = captcha.getCode();
            session.setAttribute(captchaProperties.getSession().getKey(), code);
            session.setAttribute(captchaProperties.getSession().getDate(), new Date());
            captcha.write(response.getOutputStream());
        } catch (IOException e) {
            e.printStackTrace();
        }finally {
            response.getOutputStream();
        }

    }

    @RequestMapping("/check")
    public boolean check(String captcha,HttpSession session){
        if (!StringUtils.hasLength(captcha)){
            return false;
        }

        //验证 验证码
        String code = (String)session.getAttribute(captchaProperties.getSession().getKey());
        Date date = (Date)session.getAttribute(captchaProperties.getSession().getDate());
        //验证码正确, 且没有过期, 具体逻辑, 需要看需求
        if (captcha.equalsIgnoreCase(code) && date!=null
                && System.currentTimeMillis()-date.getTime()<VALID_TIME){
            return true;
        }
        return false;
    }
}
